1. epidermis - Noun
2. epidermis - Verb
The outer, nonsensitive layer of the skin; cuticle; scarfskin. See Dermis.
The outermost layer of the cells, which covers both surfaces of leaves, and also the surface of stems, when they are first formed. As stems grow old this layer is lost, and never replaced.
Source: Webster's dictionaryAfter initial injection, pigment is dispersed throughout a homogenized damaged layer down through the epidermis and upper dermis, in both of which the presence of foreign material activates the immune system 's phagocytes to engulf the pigment particles. Source: Internet
Alpha particles emitted by polonium will damage organic tissue easily if polonium is ingested, inhaled, or absorbed, although they do not penetrate the epidermis and hence are not hazardous as long as the alpha particles remain outside the body. Source: Internet
As healing proceeds, the damaged epidermis flakes away (eliminating surface pigment) while deeper in the skin granulation tissue forms, which is later converted to connective tissue by collagen growth. Source: Internet
A humectant that retains the skin’s moisture levels by binding water molecules to its surface, which it draws from the environment and epidermis (deeper layer of skin). Source: Internet
As a result, tissues beyond the secondary phloem including the epidermis and cortex, in many cases tend to be pushed outward and are eventually "sloughed off" (shed). Source: Internet
Fluorescent chromatophores can be found in the skin (e.g. in fish) just below the epidermis, amongst other chromatophores. Source: Internet